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William Crookes confirmed the existence of cathode rays by building a tube to display them in.
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1878 William Crookes confirmed the existence of cathode rays by building a tube to display them in.
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Vladimir Zworykin demonstrates the first practical electronic system for both the transmission and reception of images using his improved kinescope tube.
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RCA televised the opening of the New York World's Fair, including a speech by President Franklin Delano Roosevelt, who was the first president to appear on television.
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Vladimir Zworykin develops a better camera tube - the Orthicon - with enough light sensitivity to record outdoor events at night.
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Full time evening programming begins for all four television networks and there are 27 stations in 18 cities beaming to an estimated 350,000 sets.
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NBC broadcasts the first coast-to-coast color program, the Rose Bowl Parade, to the 200 sets able to receive RCA's electronic color system.
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The first prototype for a plasma display monitor is invented at the University of Illinois by Professors Donald Bitzer and Gene Slottow, and graduate student Robert Willson.
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Sony's Betamax video recorder, goes on the U.S. market for $1300, and more than 25,000 units sell in the first year. A one-hour cassette tape sells for $16.
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The new television ratings system, similar to that for movies, debuts on both cable stations and broadcast networks.
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Time-Warner/AOL offers telephone service, in addition to cable television and internet access